A complete thermo-mechanical study of a NiTiCu shape memory alloy wire

被引：22
|
作者：
Nespoli, Adelaide [1 ]
Besseghini, Stefano [1 ]
机构：
[1] UOS Lecco, Ist Energet & Interfasi IENI, CNR, I-23900 Lecce, Italy
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2011年 / 103卷 / 03期
关键词：
NiTiCu; DSC; Electrical resistance; Hysteresis test; Heat treatment; MARTENSITIC-TRANSFORMATION; ELECTRICAL-RESISTIVITY; HEATING/COOLING RATE; HEAT-TREATMENT; SMA;
D O I：
10.1007/s10973-010-1042-z
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Shape memory alloy mechanical performance and phase transformation temperatures depend on the composition of the alloy, on the thermo-mechanical history, and on the applied load. For this reason is important to execute a deep investigation of the SMA material before its final use. In this study we investigate the thermo-mechanical behavior of a NiTiCu wire under stress-free condition through the differential scanning calorimetry and the electrical resistance measurements and under load through tensile and hysteresis tests. The phase transformation temperature dependence on the applied load, by means of the Clausius-Clapeyron equation, as well as on the thermal treatment temperature are also studied.
引用
收藏
页码：821 / 826
页数：6
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